Chamique HoldsclawFacing 65 Years in Prison for Alleged GF Attack

2/27/2013 2:10 PM PST

WNBA legend Chamique Holdsclaw has finally been hit with criminal charges for allegedly FIRING A GUN at her ex-GF's car last year ... and if convicted, she could spend 65 YEARS in prison.

We broke the story ... Holdsclaw -- considered one of the greatest players in WNBA history -- was arrested in Atlanta last year for a violent encounter with ex-girlfriend Jennifer Lacy.

According to the police report, 35-year-old Holdsclaw attacked Lacy's car with a baseball bat and then fired a gun inside the vehicle while Lacy sat in the driver's seat.

Now, Holdsclaw has officially been charged with 6 crimes -- including 2 counts of aggravated assault, 1 count of criminal damage in the first degree, 2 counts of criminal damage in the second degree, and possession of a firearm during the commission of a felony.

If convicted on all counts, Holdsclaw faces up to 65 years in state prison.

As for what provoked the alleged attack, sources close to Lacy tell us she believes Chamique was simply pissed that the two had broken up.